16388433

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 8771247

約数列:

[1, 3, 9, 27, 71, 83, 103, 213, 249, 309, 639, 747, 927, 1917, 2241, 2781, 5893, 7313, 8549, 17679, 21939, 25647, 53037, 65817, 76941, 159111, 197451, 230823, 606979, 1820937, 5462811, 16388433]

約数ペア:

[(1, 16388433), (3, 5462811), (9, 1820937), (27, 606979), (71, 230823), (83, 197451), (103, 159111), (213, 76941), (249, 65817), (309, 53037), (639, 25647), (747, 21939), (927, 17679), (1917, 8549), (2241, 7313), (2781, 5893)]